<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <h1>简单计算器</h1>
        <div>
            <span>数值A：</span>
            <span>
                <input type="text" v-model='a'>
            </span>
        </div>
        <div>
            <span >数值B：</span>
            <span>
                <input type="text" v-model='b' @keyup.enter='jisuan'>
            </span>
        </div>
        <div>
            <button @click='jisuan'>计算</button>
        </div>
        <div  >计算结果：</div>
        <span v-text='c'></span>
    </div>
</body>
<script src="./V/vue.js"></script>
<script>
var vm = new Vue({
    el:'#app',
    data:{
        a:'',
        b:'',
        c:''
    },methods:{
        jisuan:function(){
            this.c=parseInt(this.a)+parseInt(this.b)
        }
    }
})
</script>
</html>